173620460

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^2\times {\mathrm{31}}^1\times {\mathrm{1657}}^1$

素因数の和:1723

約数の個数: 72

約数和(自身を含む): 407788416

約数和(自身を除く): 234167956

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 31, 52, 62, 65, 124, 130, 155, 169, 260, 310, 338, 403, 620, 676, 806, 845, 1612, 1657, 1690, 2015, 3314, 3380, 4030, 5239, 6628, 8060, 8285, 10478, 16570, 20956, 21541, 26195, 33140, 43082, 51367, 52390, 86164, 102734, 104780, 107705, 205468, 215410, 256835, 280033, 430820, 513670, 560066, 667771, 1027340, 1120132, 1335542, 1400165, 2671084, 2800330, 3338855, 5600660, 6677710, 8681023, 13355420, 17362046, 34724092, 43405115, 86810230, 173620460]

約数ペア:

[(1, 173620460), (2, 86810230), (4, 43405115), (5, 34724092), (10, 17362046), (13, 13355420), (20, 8681023), (26, 6677710), (31, 5600660), (52, 3338855), (62, 2800330), (65, 2671084), (124, 1400165), (130, 1335542), (155, 1120132), (169, 1027340), (260, 667771), (310, 560066), (338, 513670), (403, 430820), (620, 280033), (676, 256835), (806, 215410), (845, 205468), (1612, 107705), (1657, 104780), (1690, 102734), (2015, 86164), (3314, 52390), (3380, 51367), (4030, 43082), (5239, 33140), (6628, 26195), (8060, 21541), (8285, 20956), (10478, 16570)]